Female toy building block



FIG. 1 is a top, front side, left side, perspective view of a female toy building block showing my new design; the bottom, back side, right side perspective view being an identical image;

FIG. 2 is a top plan view; the bottom plan view being an identical image;

FIG. 3 is a front elevation view; the back, right side, and left side elevation views being identical images; and,

FIG. 4 is a vertical cross sectional view from the front to back side taken from line 4—4 in FIG. 2; the vertical cross sectional view from the left to right side being an identical image thereof. 

The ornamental design for a female toy building block, as shown and described. 